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  2. Selenium deficiency - Wikipedia

    en.wikipedia.org/wiki/Selenium_deficiency

    Selenium deficiency occurs when an organism lacks the required levels of selenium, a critical nutrient in many species.Deficiency, although relatively rare in healthy well-nourished individuals, [1] can have significant negative results, [2] affecting the health of the heart and the nervous system; contributing to depression, anxiety, and dementia; and interfering with reproduction and gestation.

  3. Selenium in biology - Wikipedia

    en.wikipedia.org/wiki/Selenium_in_biology

    Selenium deficiency as defined by low (<60% of normal) selenoenzyme activity levels in brain and endocrine tissues only occurs when a low selenium status is linked with an additional stress, such as high exposures to mercury [27] or as a result of increased oxidant stress due to vitamin E deficiency.

  4. Cancer survival rates - Wikipedia

    en.wikipedia.org/wiki/Cancer_survival_rates

    The American Cancer Society reports 5-year relative survival rates of over 70% for women with stage 0-III breast cancer with a 5-year relative survival rate close to 100% for women with stage 0 or stage I breast cancer. The 5-year relative survival rate drops to 22% for women with stage IV breast cancer. [3] In cancer types with high survival ...

  5. List of cancer mortality rates in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_cancer_mortality...

    In the United States during 2013–2017, the age-adjusted mortality rate for all types of cancer was 189.5/100,000 for males, and 135.7/100,000 for females. [1] Below is an incomplete list of age-adjusted mortality rates for different types of cancer in the United States from the Surveillance, Epidemiology, and End Results program.

  6. My Rare Cancer Has Recurred 3 Times in 3 Years. At Age 22, I ...

    www.aol.com/rare-cancer-recurred-3-times...

    It’s a lonely diagnosis, and the five-year survival rate is something from 40% to 60%. That obviously depends on your case and the specifics about it, though once you start dealing with ...

  7. Breast cancer - Wikipedia

    en.wikipedia.org/wiki/Breast_cancer

    [160]: 199–200 By 2010 the breast cancer survival rate in Europe was 91% at one years and 65% at five years. In the USA the five-year survival rate for localized breast cancer was 96.8%, while in cases of metastases it was only 20.6%. Because the prognosis for breast cancer was at this stage relatively favorable, compared to the prognosis for ...

  8. Risk factors for breast cancer - Wikipedia

    en.wikipedia.org/wiki/Risk_factors_for_breast_cancer

    Lower age of first childbirth, compared to the average age of 24, [50] having more children (about 7% lowered risk per child), and breastfeeding (4.3% per breastfeeding year, with an average relative risk around 0.7 [51] [52]) have all been correlated to lowered breast cancer risk in premenopausal women, but not postmenopausal women, in large ...

  9. Selenium - Wikipedia

    en.wikipedia.org/wiki/Selenium

    Relationship between survival of juvenile salmon and concentration of selenium in their tissues after 90 days (Chinook salmon [143]) or 45 days (Atlantic salmon [144]) exposure to dietary selenium. The 10% lethality level (LC10=1.84 μg/g) was derived by applying the biphasic model of Brain and Cousens [ 145 ] to only the Chinook salmon data.